Germanium CMOS potential from material and process perspectives: Be more positive about germanium

A Toriumi, T Nishimura - Japanese Journal of Applied Physics, 2017 - iopscience.iop.org
CMOS miniaturization is now approaching the sub-10 nm level, and further downscaling is
expected. This size scaling will end sooner or later, however, because the typical size is …

High Mobility High-Ge-Content SiGe PMOSFETs Using Al2O3/HfO2 Stacks With In-Situ O3 Treatment

T Ando, P Hashemi, J Bruley, J Rozen… - IEEE Electron …, 2017 - ieeexplore.ieee.org
We developed an Al 2 O 3/HfO 2 bi-layer gate dielectric with an in-situ O 3 treatment for
interface state density (D it) and gate leakage current density (J g) reductions on SiGe …

High- HfO2-Based AlGaN/GaN MIS-HEMTs With Y2O3 Interfacial Layer for High Gate Controllability and Interface Quality

YT Shi, WZ Xu, CK Zeng, FF Ren, JD Ye… - IEEE Journal of the …, 2019 - ieeexplore.ieee.org
High-k HfO 2 has been widely adopted in Si based MOSFETs as gate dielectric for the
superior control over gate leakage and channel electrostatics. However, in AlGaN/GaN …

Reduction of MOS Interface Defects in TiN/Y₂O₃/Si₀. ₇₈Ge₀. ₂₂ Structures by Trimethylaluminum Treatment

TE Lee, M Ke, K Toprasertpong… - … on Electron Devices, 2020 - ieeexplore.ieee.org
We report improvement of TiN/Y 2 O 3/Si 0.78 Ge 0.22 metal-oxide-semiconductor (MOS)
interface properties by employing the trimethylaluminum (TMA) pretreatment before Y 2 O 3 …

High-Mobility CVD-Grown Ge/Strained Ge0.9Sn0.1/Ge Quantum-Well pMOSFETs on Si by Optimizing Ge Cap Thickness

YS Huang, YJ Tsou, CH Huang… - … on Electron Devices, 2017 - ieeexplore.ieee.org
The high peak mobility of 509 cm 2/V· s of the chemical vapor deposition-grown GeSn
pMOSFETs is obtained using 1-nm Ge cap. The Ge cap on GeSn can reduce the scattering …

Low Equivalent Oxide Thickness and Leakage Current of pGe MOS Device by Removing Low Oxidation State in GeOx With H2 Plasma Treatment

DB Ruan, KS Chang-Liao, SH Yi… - IEEE Electron Device …, 2020 - ieeexplore.ieee.org
A low equivalent-oxide-thickness of 0.58 nm and a low gate leakage current density of~ 2×
10-5 A/cm 2 at VG= V FB-1 V in p-substrate Ge (pGe) MOS device can be simultaneously …

Inverse T-shaped contact structures having air gap spacers

K Cheng, CH Lee, J Li, H Wu, P Xu - US Patent 10,522,649, 2019 - Google Patents
Embodiments of the present invention are directed to a method of fabricating air gap
spacers. A non-limiting example of the method of fabricating air gap spacers includes …

Properties of slow traps of ALD Al2O3/GeOx/Ge nMOSFETs with plasma post oxidation

M Ke, X Yu, C Chang, M Takenaka, S Takagi - Applied Physics Letters, 2016 - pubs.aip.org
The realization of Ge gate stacks with a small amount of slow trap density as well as thin
equivalent oxide thickness and low interface state density (D it) is a crucial issue for Ge …

Enhanced Electrical Characteristics of Ge nMOSFET by Supercritical Fluid CO2 Treatment With H2O2Cosolvent

DB Ruan, KS Chang-Liao, GT Liu… - IEEE Electron …, 2021 - ieeexplore.ieee.org
Significant improvements on Ge nMOSFET can be achieved by a novel low temperature
supercritical phase fluid treatment with H 2 O 2 cosolvent. Thanks to the reduction of oxygen …

Forming-Free HfOx-Based Resistive Memory With Improved Uniformity Achieved by the Thermal Annealing-Induced Self-Doping of Ge

X Ding, X Yu, Z Lan, J Li, S Zhou… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, a forming-free HfOx-based resistive random access memory (RRAM) with
improved uniformity is successfully demonstrated without an additional doping process …